#if 1
#include "stdio.h"

int main(){
	int a,b,c;
	a = 10 + (b = 6);
	printf("a = %d,b = %d\n",a,b);
	a = (b = 4) + (c = 16);
	printf("a = %d,b = %d,c = %d\n",a,b,c);
	a = (b = 20) / (c = 10);
	printf("a = %d,b = %d,c = %d\n",a,b,c);
	return 0;
}
#endif
